Bus route: No.852 → Metro Line 2 → Metro Line 4 → Daxing Line → Metro Line 9 → Fangshan Line, with a total length of about11.8km.

1. Walk about 890 meters from Pinggu District and arrive at Pinggu Fire Brigade Station.

2. Take bus No.852, pass 17 and arrive at Dongzhimen Hub Station.

3. Walk about 870 meters to Dongzhimen Station.

4. Take Metro Line 2, pass 5 stops and arrive at Xizhimen Station.

5. Take Daxing Line of Metro Line 4, pass 2 stops and arrive at National Library Station.

6. Take Metro Line 9, pass 12 and arrive at Guogongzhuang Station.

7. Take Fangshan Line, pass 3 stops and arrive at Changyang Station.